6703406645 has 16 divisors (see below), whose sum is σ = 8752180080. Its totient is φ = 4899170304.

The previous prime is 6703406617. The next prime is 6703406659. The reversal of 6703406645 is 5466043076.

It can be written as a sum of positive squares in 8 ways, for example, as 28026436 + 6675380209 = 5294^2 + 81703^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6703406645 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525290 + ... + 537899.

It is an arithmetic number, because the mean of its divisors is an integer number (547011255).

Almost surely, 2^6703406645 is an apocalyptic number.

6703406645 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6703406645 is a deficient number, since it is larger than the sum of its proper divisors (2048773435).

6703406645 is a wasteful number, since it uses less digits than its factorization.

6703406645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063304.

The product of its (nonzero) digits is 362880, while the sum is 41.

The square root of 6703406645 is about 81874.3344705775. The cubic root of 6703406645 is about 1885.5230902927.

The spelling of 6703406645 in words is "six billion, seven hundred three million, four hundred six thousand, six hundred forty-five".